Pius of Saint Aloysius (born Luigi Campidelli, 29 April 1868 – 2 November 1889) was an Italian Roman Catholic professed cleric from the Passionists.

[1] He died before he could receive his ordination to the priesthood but in his short life managed to captivate people around him for his strong dedication to his order's charism and his deep faith.

[2][3] He received his Confirmation on 9 February 1873 from the Bishop of Rimini Luigi Poggi and in 1875 enrolled in the private school at Trebbio di Poggio Berni before making his First Communion in 1878.

He was known throughout the neighborhood as a good child who was pious and sincere with an unwavering allegiance to Pope Pius IX who he felt was going through terrible trials due to the loss of the Papal States in 1870.

The recognition of the late cleric's heroic virtue allowed for Pope John Paul II to title him as Venerable on 21 March 1983.

The informative process for the miracle for beatification - the healing of the nun Maria Foschi[3] - opened in the Italian diocese of origin on 4 July 1940 and closed later on 4 September 1941 before receiving C.O.R.